Dr. Le Sage has been practicing as an emergency physician for more than 30 years at the Hopital de l’Enfant-Jésus du CHU de Québec-Université Laval. She is also a clinical researcher at the Research Center of this institution and at VITAM Research Center.

In addition, she is a full clinical professor at Université Laval Faculty of Medicine and has been a member of the Program Committee of Emergency Medicine for over 15 years. Holding a PhD in epidemiology, she never stopped to be involved in the development of a research program in emergency medicine at Université Laval. She has also been a member of the Clinician Scientist Program of the Royal College of Physicians and Surgeons of Canada at Laval University.

To date, her research work emphasized on emergency and trauma medicine, and her research program – PoCS Research Program – has focused on concussions (mild Traumatic Brain Injuries) and the prognosis factors that could predict long-term evolution after such trauma, including the possibility of using biomarkers.

With her dual expertise (clinical and research), she is regularly involved as a medical expert on various committees at MSSS and INESSS. Indeed, the importance of disseminating best evidence knowledge has always been at the heart of her concerns.

At the twilight of her career, Dr. Le Sage recently changed her focus and will now devote her full clinical time working in medical assistance in dying (MAID).

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Émond M, Lachance-Perreault D, Boucher V, Carmichael PH, Turgeon J, Brousseau AA, Akoum A, Tourigny JN, Le Sage N

The impact of post-intubation hypotension on length of stay and mortality in adult and geriatric patients: a cohort study

Journal Article

CJEM, 2022.

Abstract | Links:

Lamontagne G, Belleville G, Beaulieu-Bonneau S, Souesme G, Savard J, Sirois MJ, Giguère M, Tessier D, Le Sage N, Ouellet MC

Anxiety symptoms and disorders in the first year after sustaining mild traumatic brain injury

Journal Article

Rehabil Psychol, 67 (1), 2022.

Abstract | Links:

Thiruganasambandamoorthy V, Yan JW, Rowe BH, Mercier É, Le Sage N, Hegdekar M, Finlayson A, Huang P, Mohammad H, Mukarram M, Nguyen PAI, Syed S, McRae AD, Nemnom MJ, Taljaard M, Silviotti M

Personalised risk prediction following emergency department assessment for syncope

Journal Article

Emerg Med J, 2021.

Abstract | Links:

Silverberg ND, Iverson GL,

Expert Panel Survey to Update the American Congress of Rehabilitation Medicine Definition of Mild Traumatic Brain Injury

Journal Article

Arch Phys Med Rehabil, 102 (1), 2021.

Abstract | Links:

Beauchamp F, Boucher V, Neveu X, Ouellet V, Archambault P, Berthelot S, Chauny JM, de Guise E, Émond M, Frenette J, Lang E, Lee J, Mercier É, Moore L, Ouellet MC, Perry J, Le Sage N

Post-concussion symptoms in sports-related mild traumatic brain injury compared to non-sports-related mild traumatic brain injury

Journal Article

CJEM, 23 (2), 2021.

Abstract | Links:

Lagacé-Legendre C, Boucher V, Robert S, Tardif PA, Ouellet MC, de Guise E, Boulard G, Frémont P, Émond M, Moore L, Le Sage N

Persistent Postconcussion Symptoms: An Expert Consensus-Based Definition Using the Delphi Method

Journal Article

J Head Trauma Rehabil, 36 (2), 2021.

Abstract | Links:

Blais Lécuyer J, Mercier É, Tardif PA, Archambault PM, Chauny JM, Berthelot S, Frenette J, Perry J, Stiell I, Émond M, Lee J, Lang E, McRae A, Boucher V, Le Sage N

S100B protein level for the detection of clinically significant intracranial haemorrhage in patients with mild traumatic brain injury: a subanalysis of a prospective cohort study

Journal Article

Emerg Med J, 38 (4), 2021.

Abstract | Links:

Yadav K, Boucher V, Le Sage N, Malo C, Mercier É, Voyer P, Clément J, Émond M

A Delphi study to identify prehospital and emergency department trauma care modifiers for older adults

Journal Article

Can J Surg, 64 (3), 2021.

Abstract | Links:

Thiruganasambandamoorthy V, Sivilotti MLA, Le Sage N, Yan JW, Huang P, Hegdekar M, Mercier E, Mukarram M, Nemnom MJ, McRae AD, Rowe BH, Stiell IG, Wells GA, Krahn AD, Taljaard M

Multicenter Emergency Department Validation of the Canadian Syncope Risk Score

Journal Article

JAMA Intern Med, 180 (5), 2020.

Abstract | Links:

Ghandour EK, Lelaidier Hould L, Fortier FA, Gélinas V, Melnick ER, Hess EP, Lang ES, Gravel J, Perry JJ, Le Sage N, Truchon C, LeBlanc A, Dubrovsky AS, Gagnon MP, Ouellet MC, Gagnon I, McKenna S, Légaré F, Sauvé L, van de Belt TH, Kavanagh É, Paquette L, Verrette AC, Plante P, Riopelle RJ, Archambault PM,

Adapting two American Decision Aids for Mild Traumatic Brain Injury to the Canadian Context Using the Nominal Group Technique

Journal Article

Patient, 13 (6), 2020.

Abstract | Links:

69 entries « 1 of 7 »
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Research field

  • Trauma – Emergency Medicine – mTBI (concussion)

Research theme(s)

  • Clinical research and treatment protocols
  • Organizational assessment of trauma and emergency systems

Research interests

  • Trauma and emergency medicine
  • Quality of care evaluation protocols
  • Development and validation of clinical prediction rules
  • Injury surveillance and prevention

Recently finished projects

  • Connecting Emergency Departments with Community services to prevent mobility losses in pre-frail & frail Seniors (CEDeComS), from 2016-07-01 to 2020-06-30
  • Établissement d'une liste de soins urgents et spécialisés en traumatologie pour lesquels les patients devraient être dirigés directement vers un centre désigné de traumatologie à l'aide de la méthode Delphi modifiée, from 2019-05-01 to 2021-04-30
  • La protéine S100B est-elle un outil de dépistage valide pour réduire le nombre de tomodensitométries inutiles suite à un traumatisme cranio-cérébral léger?, from 2017-04-01 to 2022-01-31
  • Système canadien hospitalier d'information sur la recherche en prévention des traumatismes (SCHIRPT), from 2014-04-01 to 2021-03-31
Data provided by the Université Laval research projects registery